Home / 178,320.78-267,516.20-66,001.96

Finding the Fourth Proportional to 178,320.78, 267,516.20 and 66,001.96

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Solution

The fourth proportional to 178,320.78, 267,516.20 and 66,001.96 is: 99,015.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,320.78 : 267,516.20 = 66,001.96 : x
  2. Step 2: Convert to fraction form
    178,320.78/267,516.20 = 66,001.96/x
  3. Step 3: Cross multiply
    178,320.78x = 267,516.20 × 66,001.96
  4. Step 4: Simplify right side
    178,320.78x = 17,656,593,531.75
  5. Step 5: Solve for x
    x = 17,656,593,531.75/178,320.78
  6. Step 6: Final answer
    x = 99,015.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.